[PATCH v2 0/3] x86: SVM: add additional SVM NPF error and use HW GPA

[Brijesh Singh]

This patch series is taken from SEV RFC series [1]. These patches do not
depend on the SEV feature and can be reviewed and merged on their own.

- Add support for additional SVM NFP error codes
- Add kvm_fast_pio_in support
- Use the hardware provided GPA instead of page walk

[1] http://marc.info/?l=linux-mm&m=147190814023863&w=2

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Changes since v1:
 - remove redundant gpa_avail check

Tom Lendacky (3):
      kvm: svm: Add support for additional SVM NPF error codes
      kvm: svm: Add kvm_fast_pio_in support
      kvm: svm: Use the hardware provided GPA instead of page walk


 arch/x86/include/asm/kvm_emulate.h |    3 ++
 arch/x86/include/asm/kvm_host.h    |   15 ++++++++-
 arch/x86/kvm/mmu.c                 |   20 +++++++++++-
 arch/x86/kvm/svm.c                 |    9 ++++-
 arch/x86/kvm/x86.c                 |   60 +++++++++++++++++++++++++++++++++++-
 5 files changed, 100 insertions(+), 7 deletions(-)

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Brijesh Singh